Name: Caedibacter pseudomutans Quackenbush 1982

Category: Species

Proposed as: sp. nov.

Etymology: pseu.do.mut.ans. Gr. masc./fem. adj. pseudês, false; L. pres. part. mutans, altering, changing; N.L. part. adj. pseudomutans, false changing, referring to the fact that it was once thought to be a mutant of Caedibacter taeniospiralis (Dippell, 1950)

Gender: masculine

Type strain: 51 ml; ATCC 30633

Effective publication: Quackenbush RL. Genetic relationships among bacterial endosymbionts of Paramecium aurelia. Deoxyribonucleotide sequence relationships among members of Caedobacter. J. Gen. Microbiol. 1978; 108:181-187.

IJSEM list: Anonymous. Validation list no. 8. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1982; 32:266-268.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 😷 The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1, note = "PI". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "n".
  • 🎓 Name mentioned 0 times in PubMed until 2024-03-27.
  • 🧍 According to Yarza et al. (2013), an "orphan species with designated type strains that were either not deposited in culture collections or whose type strain is currently not available from a recognized culture collection. Protist endosymbiont.". Publication: Yarza P, Sproer C, Swiderski J, Mrotzek N, Spring S, Tindall BJ, Gronow S, Pukall R, Klenk HP, Lang E, et al. Sequencing orphan species initiative (SOS): Filling the gaps in the 16S rRNA gene sequence database for all species with validly published names. Syst Appl Microbiol 2013; 36:69-73.
  • 🧍 ATCC 30633 is a two member culture, a protozoa (Paramecium tetraurelia) that carries a bacterial endosymbiont, Caedibacter pseudomutans. However, the type strain is not available from the ATCC because the endosymbiont was lost. Publication: Beier CL, Horn M, Michel R, Schweikert M, Gortz HD, Wagner M. The genus Caedibacter comprises endosymbionts of Paramecium spp. related to the Rickettsiales (Alphaproteobacteria) and to Francisella tularensis (Gammaproteobacteria). Appl Environ Microbiol 2002; 68:6043-6050.

Parent taxon: Caedibacter (ex Preer et al. 1974) Preer and Preer 1982

Assigned by: Quackenbush RL. Genetic relationships among bacterial endosymbionts of Paramecium aurelia. Deoxyribonucleotide sequence relationships among members of Caedobacter. J. Gen. Microbiol. 1978; 108:181-187.

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Record number: 783576